Seishōnen no jinken ishiki ni kansuru chōsa
Subtitle: jinken kyōiku shiryō
Publisher: Nihon Yunesuko Kokunai Iinkai
Published: 1956
Place of publication: [Tokyo]
Language: jpn
Number of pages: 94
Notes: "Shōwa 30-nen 3-gatsu chōsa jisshi"--cover.